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Plant Physiology 100:1580-1583 (1992) © 1992 American Society of Plant Biologists Purification and Characterization of Cytosolic 6-Phosphogluconate Dehydrogenase Isozymes from Maize 1Department of Botany and Plant Sciences, University of California, Riverside, California 92521
Cytosolic isozymes of 6-phosphogluconate dehydrogenase were purified from roots of maize (Zea mays L.). The final preparation contained two 55-kD proteins. Affinity-purified dehydrogenases from a maize line that is null for both cytosolic 6-phosphogluconate dehydrogenase isozymes (Pgd1-null, Pgd2-null) lacked the 55-kD proteins. The substrate kinetics of the purified enzyme were determined.
1 Funding was provided by a Dana King Scholarship Award for research in agriculture to M.N. and University of California, Riverside, Academic Senate Awards to J.B.-S.
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